2 files changed, 14 insertions, 3 deletions
diff --git a/src/mailman_pgp/config/tests/test_validator.py b/src/mailman_pgp/config/tests/test_validator.py
index 15b0b62..d24dfc7 100644
--- a/src/mailman_pgp/config/tests/test_validator.py
+++ b/src/mailman_pgp/config/tests/test_validator.py
@@ -102,3 +102,16 @@ class TestValidator(TestCase):
         """)
         validator.validate(valid)
         self.assertRaises(ValueError, validator.validate, invalid)
+
+    def test_none(self):
+        schema = """\
+        [test]
+        test_option:
+        """
+        validator = ConfigValidator(schema)
+        cfg = Config()
+        cfg.read_string("""\
+        [test]
+        test_option: something
+        """)
+        self.assertRaises(ValueError, validator.validate, cfg)
diff --git a/src/mailman_pgp/config/validator.py b/src/mailman_pgp/config/validator.py
index debbf0a..1010663 100644
--- a/src/mailman_pgp/config/validator.py
+++ b/src/mailman_pgp/config/validator.py
@@ -51,14 +51,12 @@ class ConfigValidator:
             try:
                 call = find_name(schema)
             except:
-                try:
+                if len(schema) != 0:
                     def call(value):
                         match = re.search(schema, value)
                         if match is None:
                             raise ValueError
                         return match
-                except:
-                    pass
 
         if call is None:
             raise ValueError